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Dr. Dickerman Hollister, MD

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Specializes in: Medical Oncology, Adult Oncology and Hematology (Blood Disorders)

77 Lafayette Place
Greenwich, CT 06830

(203) 863-3737

Dr. Dickerman Hollister, MD is a medical oncologist in Greenwich, CT specializing in medical oncology, adult oncology and hematology (blood disorders).

Office Locations

77 Lafayette Place
Greenwich, CT 06830

(203) 863-3737

(203) 863-3741

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Dickerman Hollister, MD treated as a medical oncologist in Greenwich, CT during 2012 were hospital care and inpatient care.

Volume of procedures performed by Dr. Dickerman Hollister, MD for Medicare patients.

doctor visit	2706
hospital care	267
inpatient care	267

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Dickerman Hollister, MD treated as a medical oncologist in Greenwich, CT during 2013 were hospital care, inpatient care, diagnostic procedures and bone marrow tests.

Volume of procedures performed by Dr. Dickerman Hollister, MD for Medicare patients.

aspiration	20
bone marrow tests	40
diagnostic procedures	40
doctor visit	2845
hospital care	338
inpatient care	338

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Dickerman Hollister, MD.

**Gender**
Male	186
Female	410

**Ethnicity**
Non-Hispanic White	559
Black	0
Hispanic	15
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	238
From 75 to 84	216
85 and over	130
Less than 65	12

Conditions of Medicare patients treated by Dr. Dickerman Hollister, MD in 2013

Hypertension	57
High Cholesterol	54
Stroke	4
Ischemic Heart Disease	32
Depression	15
Chronic Kidney Disease	19
Asthma	6
Osteoperosis	11
Atrial Fibrilation	16
Heart Failure	17
Chronic Obstructive Pulmonary Disease	13
Diabetes	19
Dementia	6
Cancer	51

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Dickerman Hollister, MD treated as a medical oncologist in Greenwich, CT during 2014 were hospital care and inpatient care.

Volume of procedures performed by Dr. Dickerman Hollister, MD for Medicare patients.

doctor visit	2850
hospital care	443
inpatient care	443

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Dickerman Hollister, MD.

**Gender**
Male	195
Female	405

**Ethnicity**
Non-Hispanic White	569
Black	0
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	228
From 75 to 84	222
85 and over	134
Less than 65	16

Conditions of Medicare patients treated by Dr. Dickerman Hollister, MD in 2014

Hypertension	57
High Cholesterol	51
Stroke	6
Ischemic Heart Disease	29
Depression	15
Chronic Kidney Disease	21
Asthma	6
Osteoperosis	11
Atrial Fibrilation	16
Heart Failure	18
Chronic Obstructive Pulmonary Disease	17
Diabetes	18
Dementia	7
Cancer	50

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Dickerman Hollister, MD treated as a medical oncologist in Greenwich, CT during 2015 were hospital care, inpatient care, diagnostic procedures and bone marrow tests.

Volume of procedures performed by Dr. Dickerman Hollister, MD for Medicare patients.

aspiration	18
bone marrow tests	37
diagnostic procedures	37
doctor visit	2703
hospital care	293
inpatient care	293

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Dickerman Hollister, MD.

**Gender**
Male	408
Female	848

**Ethnicity**
Non-Hispanic White	1184
Black	0
Hispanic	22
Asian	0
Other	24
Native American	0

**Age**
From 65 to 74	472
From 75 to 84	470
85 and over	278
Less than 65	36

Conditions of Medicare patients treated by Dr. Dickerman Hollister, MD in 2015

Hypertension	59
High Cholesterol	55
Stroke	4
Ischemic Heart Disease	28
Depression	16
Chronic Kidney Disease	22
Asthma	10
Osteoperosis	14
Atrial Fibrilation	16
Heart Failure	17
Chronic Obstructive Pulmonary Disease	17
Diabetes	21
Dementia	7
Cancer	48

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Dickerman Hollister, MD treated as a medical oncologist in Greenwich, CT during 2016 were hospital care, inpatient care, diagnostic procedures and bone marrow tests.

Volume of procedures performed by Dr. Dickerman Hollister, MD for Medicare patients.

aspiration	12
bone marrow tests	24
diagnostic procedures	24
doctor visit	2662
hospital care	346
inpatient care	346

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Dickerman Hollister, MD.

**Gender**
Male	202
Female	444

**Ethnicity**
Non-Hispanic White	607
Black	0
Hispanic	12
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	244
From 75 to 84	235
85 and over	147
Less than 65	20

Conditions of Medicare patients treated by Dr. Dickerman Hollister, MD in 2016

Hypertension	62
High Cholesterol	53
Stroke	5
Ischemic Heart Disease	25
Depression	18
Chronic Kidney Disease	21
Asthma	16
Osteoperosis	13
Atrial Fibrilation	16
Heart Failure	17
Chronic Obstructive Pulmonary Disease	15
Diabetes	19
Dementia	10
Cancer	49

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Dickerman Hollister, MD treated as a medical oncologist in Greenwich, CT during 2017 were hospital care, inpatient care, diagnostic procedures and bone marrow tests.

Volume of procedures performed by Dr. Dickerman Hollister, MD for Medicare patients.

aspiration	11
bone marrow tests	24
diagnostic procedures	24
doctor visit	2719
hospital care	308
inpatient care	308

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Dickerman Hollister, MD.

**Gender**
Male	213
Female	452

**Ethnicity**
Non-Hispanic White	624
Black	0
Hispanic	12
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	239
From 75 to 84	257
85 and over	148
Less than 65	21

Conditions of Medicare patients treated by Dr. Dickerman Hollister, MD in 2017

Hypertension	59
High Cholesterol	48
Stroke	6
Ischemic Heart Disease	26
Depression	18
Chronic Kidney Disease	25
Asthma	8
Osteoperosis	13
Atrial Fibrilation	17
Heart Failure	18
Chronic Obstructive Pulmonary Disease	14
Diabetes	20
Dementia	11
Cancer	51

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Dickerman Hollister, MD treated as a medical oncologist in Greenwich, CT during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. Dickerman Hollister, MD for Medicare patients.

doctor visit	2760
hospital care	286
inpatient care	286

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Dickerman Hollister, MD.

**Gender**
Male	226
Female	425

**Ethnicity**
Non-Hispanic White	603
Black	0
Hispanic	12
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	232
From 75 to 84	264
85 and over	140
Less than 65	15

Conditions of Medicare patients treated by Dr. Dickerman Hollister, MD in 2018

Hypertension	62
High Cholesterol	63
Stroke	6
Ischemic Heart Disease	29
Depression	18
Chronic Kidney Disease	27
Asthma	8
Osteoperosis	15
Atrial Fibrilation	17
Heart Failure	19
Chronic Obstructive Pulmonary Disease	14
Diabetes	22
Dementia	11
Cancer	49

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Dickerman Hollister, MD treated as a medical oncologist in Greenwich, CT during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. Dickerman Hollister, MD for Medicare patients.

doctor visit	2624
hospital care	252
inpatient care	252

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Dickerman Hollister, MD.

**Gender**
Male	212
Female	444

**Ethnicity**
Non-Hispanic White	608
Black	0
Hispanic	0
Asian	12
Other	22
Native American	0

**Age**
From 65 to 74	222
From 75 to 84	273
85 and over	144
Less than 65	17

Conditions of Medicare patients treated by Dr. Dickerman Hollister, MD in 2019

Hypertension	62
High Cholesterol	64
Stroke	5
Ischemic Heart Disease	30
Depression	23
Chronic Kidney Disease	30
Asthma	7
Osteoperosis	18
Atrial Fibrilation	17
Heart Failure	18
Chronic Obstructive Pulmonary Disease	13
Diabetes	20
Dementia	12
Cancer	51

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Dickerman Hollister, MD treated as a medical oncologist in Greenwich, CT during 2020 were hospital care and inpatient care.

Volume of procedures performed by Dr. Dickerman Hollister, MD for Medicare patients.

doctor visit	1909
hospital care	134
inpatient care	134

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Dickerman Hollister, MD.

**Gender**
Male	191
Female	417

**Ethnicity**
Non-Hispanic White	556
Black	0
Hispanic	0
Asian	12
Other	24
Native American	0

**Age**
From 65 to 74	217
From 75 to 84	252
85 and over	122
Less than 65	17

Conditions of Medicare patients treated by Dr. Dickerman Hollister, MD in 2020

Hypertension	56
High Cholesterol	54
Stroke	5
Ischemic Heart Disease	26
Depression	16
Chronic Kidney Disease	26
Asthma	7
Osteoperosis	17
Atrial Fibrilation	15
Heart Failure	16
Chronic Obstructive Pulmonary Disease	10
Diabetes	20
Dementia	8
Cancer	47

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Dickerman Hollister, MD treated as a medical oncologist in Greenwich, CT during 2021 were hospital care and inpatient care.

Volume of procedures performed by Dr. Dickerman Hollister, MD for Medicare patients.

doctor visit	990
hospital care	110
inpatient care	110

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Dickerman Hollister, MD.

**Gender**
Male	142
Female	289

**Ethnicity**
Non-Hispanic White	388
Black	0
Hispanic	0
Asian	0
Other	23
Native American	0

**Age**
From 65 to 74	150
From 75 to 84	177
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Dickerman Hollister, MD in 2021

Hypertension	65
High Cholesterol	62
Stroke	4
Ischemic Heart Disease	27
Depression	17
Chronic Kidney Disease	28
Asthma	5
Osteoperosis	22
Atrial Fibrilation	16
Heart Failure	16
Chronic Obstructive Pulmonary Disease	10
Diabetes	20
Dementia	9
Cancer	46

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2021

Volume of procedures performed by Dr. Dickerman Hollister, MD for Medicare patients.

The highest averages for the top procedures that Dr. Dickerman Hollister, MD treated as a medical oncologist in Greenwich, CT were hospital care, inpatient care, bone marrow tests and diagnostic procedures.

aspiration	15
bone marrow tests	31
diagnostic procedures	31
doctor visit	2476
hospital care	277
inpatient care	277

Average Medicare Patient Data From 2012 - 2021

Information about Medicare patients treated by Dr. Dickerman Hollister, MD.

**Gender**
Male	197
Female	413

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	2
Non-Hispanic White	569
Native American / Alaskan Native	0
Hispanic	8
Other	14

**Age**
75 to 84	236
85 and over	124
Less than 65	15
65 to 74	224

Average of Total of Conditions of Medicare patients treated by Dr. Dickerman Hollister, MD From 2012 - 2021

The highest averages of the most common conditions of Medicare patients that Dr. Dickerman Hollister, MD treated were hypertension, high cholesterol, cancer and ischemic heart disease.

Hypertension	53
High Cholesterol	50
Stroke	4
Ischemic Heart Disease	25
Depression	15
Chronic Kidney Disease	21
Asthma	7
Osteoporosis	13
Heart Failure	15
Chronic Obstructive Pulmonary Disease	12
Diabetes	17
Atrial Fibrillation	14
Dementia	8
Cancer	44

Education & Training

He has a state license in Connecticut.

Licensed In: Connecticut

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Dickerman Hollister, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Janssen Biotech, Inc.	$418 IMBRUVICA $257	ZYTIGA $161
Seattle Genetics, Inc.	$297 ADCETRIS $297
AstraZeneca Pharmaceuticals LP	$125 FASLODEX $125
E.R. Squibb & Sons, L.L.C.	$125 $125
Novartis Pharmaceuticals Corporation	$125 KISQALI $125
Other	$328 Gilotrif $121	Venclexta $120	ZALTRAP $75	$12

**Types of Payments**
Food and Beverage	$1,147
Education	$271

Biography

Dr. Dickerman Hollister, who practices in Greenwich, CT, is a medical specialist in adult oncology, medical oncology, and hematology (blood disorders). Dr. Hollister has obtained a license to practice in Connecticut.